Important notice! Pokemon Palkia is a fictional character of humans.There is only single Creator of everything and anythingAll Pokemon are made up by humans based on real animals or existing objects.The stroies of Pokemon are all fictional and in most cases illogical or nonsense.Games are for only fun time and do never put any spiritual/religional or deity meaning into them!Never pass your necessary jobs and duties due to gameplaying!

Official Pokemon Info from Bulbapedia (Content is available under Attribution-NonCommercial-ShareAlike 2.5)

Biology

Palkia is a light purple theropod-like Pokémon with stripes and markings of a darker shade and gray underarms and waist. It has round purple-striped plates on its shoulder area, where two pink pearls lie encrusted with a gray rim encircling them and fins in their back. Palkia’s arms have extended formations resembling gauntlets and a purple band around each wrist. Palkia has a long neck, a pointed white crest on the top of its head that extends to its wings, two strong horn-like tusks on the sides of its jaw, and a powerful tail. As seen in Pokémon Mystery Dungeon: Explorers of Time and Explorers of Darkness, Palkia travels by composing a large yellow sphere from its two pearls, then using it to fly very fast.

Palkia has the ability to warp space. Palkia lives in a different dimension, making its behavior nearly impossible to study. However, Palkia has been seen in violent conflicts with its counterpart, Dialga. It has been known to be very protective of its home as well. Palkia is the only known Pokémon that can learn Spacial Rend.

Minor appearances

In Pokémon Generations

Palkia appeared in The New World along with Dialga. Both of them were captured at Spear Pillar by Cyrus, who intended to use them to destroy the world and build a new one. Along with Dialga, it was freed by Giratina before they could help Cyrus succeed in his goal.

In the manga

In the movie adaptations

In the Arceus and the Jewel of Life manga adaptation, Palkia, along with the members of its trio, were summoned by Sheena to help Ash and his friends. Palkia soon engaged in a battle with the other members of its trio with Arceus.

In the Pokémon Adventures manga

Palkia, along with Dialga, was summoned by Cyrus in the Diamond & Pearl chapter in order to build a new world. Cyrus used the Red Chains to force Dialga and Palkia to fight each other in order to distort time and space and build a portal that would swallow the existing world. Diamond, Pearl and Platinum worked together with their Pokémon to free Dialga and Palkia from their controlled states.

Later on, an accident with handling Charon's machine caused Dialga, Palkia and Cyrus to be dragged into the portal before it closed completely. In the Platinum chapter, it was revealed that Giratina imprisoned both Dialga and Palkia in the Distortion World before setting off into the current dimension to wreak havoc. Soon, Cyrus and Diamond met in the Distortion World, and agreed to free Dialga and Palkia using their Pokémon. Dialga and Palkia later resumed their struggle against Giratina in the Distortion World. When Charon decided to escape from the Distortion World on Giratina, Pearl got on Palkia and chased after him. Giratina was eventually defeated, with Dialga and Palkia forcing it back into the Distortion World for good, before both returned to the Spear Pillar.

In the TCG

Other appearances

Super Smash Bros. Brawl

Palkia occasionally appears on the Spear Pillar stage as one of three Pokémon that controls it. It only appears on the stage when the ground on the upper levels have a purple tinge to them. Unlike Dialga and Cresselia, it'll use its powers to distort the stage however possible. Some examples include tilting the stage, turning the stage completely upside down and reversing the screen itself (the last two will cause the movement controls to be reversed temporarily). It often shoot beams in the cave below, dealing a lot of damage to the players that get caught in the blast.

Trophy information

"A Spatial Pokémon. In the Sinnoh region, this Pokémon has been revered for many generations, much like Dialga. Dialga warps time, but Palkia has control over space. It lives between parallel dimensions and is known for its power, rumored to be able to warp space. It can use Spacial Rend to rip through the very space an enemy resides in, damaging the foe at the same time. It is Pearl's mascot."

Super Smash Bros. for Nintendo 3DS/Wii U

Palkia appears as a Pokémon released from a Poké Ball. It will use Spacial Rend, which will flip the stage for a time, and can cause damage. Palkia also causes damage on contact.

Trophy information

NA: Stories surround this Legendary Water/ Dragon-type Pokémon. Its Spacial Rend attack will tear space and flip the screen upside down. When this happens, the left and right controls of the fighters will become flipped as well.

Game data

NPC appearances

Pokémon Ranger: Shadows of Almia: Palkia appears as a bonus boss during one of the Ranger Net extra missions. Palkia was injured from a battle with Dialga and entered Hippowdon Temple. In its pain, it warped the space of the Almia region and caused all of the locations of Almia to be shuffled together.